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staging: mt7621-eth: fix return value check in mtk_probe()

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In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().

Fixes: e3cbf478f846 ("staging: mt7621-eth: add the drivers core files")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wei Yongjun 2018-03-22 02:09:39 +00:00 committed by Greg Kroah-Hartman
parent 2a5f03b60a
commit 960526d597
1 changed files with 2 additions and 2 deletions

4
drivers/staging/mt7621-eth/mtk_eth_soc.c

@ -2077,8 +2077,8 @@ static int mtk_probe(struct platform_device *pdev)
return -ENOMEM;
eth->base = devm_ioremap_resource(&pdev->dev, res);
if (!eth->base)
return -EADDRNOTAVAIL;
if (IS_ERR(eth->base))
return PTR_ERR(eth->base);
spin_lock_init(&eth->page_lock);